Theia was the Greek Titaness of Sight

Theia, also known as Euryphaessa(="broad-lighted"), was the wife of Hyperion, the Greek Titan of observation. The couple gave birth to three celestial deities: Helios, the personification of the Sun, Selene, the personification of the Moon and the rosy-fingered Eos(Aurora), the personification of the Dawn.